java重写spring注解_Spring自定义注解（parameter）

package com.zero4j.annotation;

import net.sf.json.JSONObject;

import org.aspectj.lang.annotation.Aspect;

import org.springframework.core.MethodParameter;

import org.springframework.stereotype.Component;

import org.springframework.web.bind.support.WebDataBinderFactory;

import org.springframework.web.context.request.NativeWebRequest;

import org.springframework.web.method.support.HandlerMethodArgumentResolver;

import org.springframework.web.method.support.ModelAndViewContainer;

import org.springframework.web.multipart.support.MissingServletRequestPartException;

import com.zero4j.model.account.Account;

import com.zero4j.model.token.util.TokenStaticUtil;

@Aspect

@Component

public class VerifyAccountAspect implements HandlerMethodArgumentResolver{

@Override

public boolean supportsParameter(MethodParameter parameter) {

return parameter.hasParameterAnnotation(VerifyAccount.class);

}

@Override

public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

String token = webRequest.getParameter("token");

JSONObject out = new JSONObject();

if(token==null||token.equals("")){

out.put("status", 401);

out.put("message", "请先注册并登录后再进行此操作");

out.put("debug", "缺少参数token或为空");

//ResponseStaticUtil.write(response,out);

System.out.println(out.toString());

//return;

}

Account account = TokenStaticUtil.getAccount(token);

if(account==null){

out.put("status", 401);

out.put("message", "请先注册并登录后再进行此操作");

out.put("debug", "token对应的account为空");

//ResponseStaticUtil.write(response,out);

System.out.println(out.toString());

throw new MissingServletRequestPartException("account");

//return;

}

return account;

}

}